EP2524584A2 - Appareil agricole - Google Patents

Appareil agricole Download PDF

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Publication number
EP2524584A2
EP2524584A2 EP12401080A EP12401080A EP2524584A2 EP 2524584 A2 EP2524584 A2 EP 2524584A2 EP 12401080 A EP12401080 A EP 12401080A EP 12401080 A EP12401080 A EP 12401080A EP 2524584 A2 EP2524584 A2 EP 2524584A2
Authority
EP
European Patent Office
Prior art keywords
agricultural
inclination
weight
board computer
values
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12401080A
Other languages
German (de)
English (en)
Other versions
EP2524584B1 (fr
EP2524584A3 (fr
Inventor
Daniel Wernsmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Amazonen Werke H Dreyer SE and Co KG
Original Assignee
Amazonen Werke H Dreyer SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Amazonen Werke H Dreyer SE and Co KG filed Critical Amazonen Werke H Dreyer SE and Co KG
Publication of EP2524584A2 publication Critical patent/EP2524584A2/fr
Publication of EP2524584A3 publication Critical patent/EP2524584A3/fr
Application granted granted Critical
Publication of EP2524584B1 publication Critical patent/EP2524584B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
    • A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
    • A01B59/069—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors with means for weighing the implement
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B79/00—Methods for working soil
    • A01B79/005—Precision agriculture
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C17/00—Fertilisers or seeders with centrifugal wheels
    • A01C17/006—Regulating or dosing devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/002—Means for correcting for obliquity of mounting

Definitions

  • the invention relates to an agricultural device with weighing device according to the preamble of claim 1.
  • a device for spreading goods in which not only inclination sensors are used, but also three accelerometers are used with which the acceleration components of the weight meter are determined in all three spatial directions.
  • a correction can be made to the value measured by the weight meter, which not only reduces influences of inclinations of the device, but also accelerations of the device in all three spatial directions to the signal finally output.
  • a plurality of sensors and, accordingly, a plurality of individual steps are used to determine a correction factor.
  • Another agricultural device which is attachable to an agricultural machine and whose weight can be determined, wherein the determined weight is corrected by means of measurements of the inclination of the agricultural device, is from the EP 0 407 705 A1 known.
  • the agricultural implement is characterized in that the correction factor for correcting the inclination measured weight is determined by what inclination the device currently has, the inclination being measured by an inclination measuring device. Measurement error of the inclination measuring device by the acceleration of the agricultural device in one of the three spatial directions are not taken into account.
  • the invention has for its object to provide an advantageous use or arrangement of sensors for determining a correction factor, in which the number of sensors and / or steps for determining the correction factor is at least significantly reduced.
  • the inclination sensors are simultaneously used as acceleration sensors.
  • inclination sensors due to their normal operation, provide tracing curves which, for ordinary accelerations, including braking, cornering and up and down movements due to, for example, uneven ground, of the measurements produced on the farm by the expected gradients differ.
  • an evaluation of the recorded measurement curves takes place via a computer program stored in the on-board computer.
  • Maximum expected slopes experienced by an agricultural implement on an agricultural area are usually in the range of 15 ° -30 °.
  • intervals of evaluated measured values can be defined which are the expected evaluated values. It is important in which time certain inclination values are reached.
  • the evaluated values lie in these intervals, they are used to determine the actual weight of at least the product of the agricultural device in the storage container.
  • the intervals to be used for the use of the measurement data according to the invention can depend greatly on the particular situation. For example, it may be necessary to select different intervals for different implements and / or changed calculation parameters. The intervals are each selected such that the trace sections lying in these intervals can not be generated solely from the inclinations to be expected.
  • a signal is transmitted, which includes the corrected weight, the signal can be transmitted for example via CAN bus. If evaluated measured values occur which are outside the specified intervals, a corresponding signal is transmitted, eg via CAN bus.
  • CAN bus has the advantage that the transmitted signals and messages are freely selectable.
  • operating parameters of the agricultural implement can be adjusted with the aid of an on-board computer.
  • the metering orifice of a centrifugal fertilizer spreader may be further opened or further closed to achieve the desired application rate per unit area and / or per unit time if the amount of fertilizer dispensed is too small or too large.
  • the driving speed of the agricultural machine using the agricultural implement for collecting and / or dumping crop may also be adjusted.
  • the transmitted signal contains the information that the evaluated measured values are outside the specified intervals, the current parameters are retained and not adjusted. Only when there are evaluated readings that are within the specified intervals will the operating parameters be adjusted accordingly again if the evaluated readings indicate that this is required.
  • the working process can later be evaluated on the basis of an evaluation program stored in the memory of the on-board computer and, for example, compared with previous processing of the same agricultural area.
  • the distribution machine designed as a centrifugal fertilizer spreader in Fig. 1 has a frame 1 and a reservoir 2.
  • the funnel-shaped end of the storage container 2 is equipped with a metering device, not shown, which feeds the material located in the storage container 2 in an adjustable manner to the distribution device 3 arranged below the metering device and the storage container.
  • the distributor 3 is designed as a rotating driven centrifugal disc 4, the throwing blades 5, formed.
  • the metering device has an adjusting device, which is preferably designed as an electric servomotor and is controlled by the on-board computer 14.
  • the frame 1 has on its front two lower coupling points 6 and an upper coupling point. At the lower coupling points 6, which are spaced apart from one another, which corresponds at least approximately to the distance of the lower three-point coupling elements 9, load cell elements 7 are arranged. At the front lower ends of the two load cell elements 7, a three-point coupling elements 9 having attachment frame 10 is arranged via coupling pin 8. In the upper area the attachment frame 10 is connected via an at least approximately parallel to the load cell elements 7 extending intermediate link 11 with the frame 1 of the distributor. About the three-point coupling elements 9 of the attachment frame 10, the distributor is coupled to the lower links 12 and upper link 13 of the three-point coupling of a tractor.
  • the attachment frame 10 Due to the arrangement of the attachment frame 10 via the two load cells 7 and the upper intermediate link 11, a relative movement between the frame 1 of the machine and the attachment frame 10 is possible. As a result, the weighing cells 7 can record measured values and transmit them to the on-board computer 14 via lines which are not shown.
  • the inclination sensors 15 arranged on the frame 1 measure the inclination of the distribution machine about both horizontal spatial axes, whereby also any accelerations of the distribution machine contribute to the measured inclination and the course of the inclination measurement curves, which are transmitted as data to the on-board computer 14 in an appropriate manner.
  • the evaluation of the measured values and / or measuring curves of load cell 7 and inclination sensors 15 takes place.
  • simple correction functions stored in a program of the on-board computer 14 can be used to calculate which correction factor must be applied to the weight measured by the weighing cell 7 in order to determine the actual weight.
  • the on-board computer 14 When accelerated movement of the distributor of the inclination sensors are generated and transmitted as data to the on-board computer 14, which is not the actual Slope of the agricultural area correspond, but may differ significantly.
  • the determinable intervals are determined by considering the usually expected slopes of the agricultural area. In addition, it is considered which measured curves arise when accelerations of any kind occur. With the help of the on-board computer 14 can then be determined whether the determined by the tilt sensors 15 curves are such that they must have been at least significantly influenced by accelerations. It is important in which time certain inclination values have been reached.
  • the exact criteria for determining the intervals and thus the decision as to when measurement curves are classified as being significantly influenced by accelerations are adjusted to the specific measurement setup. For example, it may be necessary to select different intervals for different implements and / or changed calculation parameters.
  • the result of each step is output by the evaluation program to the on-board computer 14 via a CAN bus.
  • signals are output by the on-board computer via CAN bus, which signals can be used for monitoring and possibly regulating the operating parameters, which are explained in more detail below. Acceleration sections that are not significantly influenced are used for monitoring and possibly regulating the operating parameters. On the other hand, measurement curve sections which are considerably influenced by accelerations are not used for monitoring and possibly regulating the operating parameters. Instead, a signal is output via CAN bus containing the information that the Trace section was significantly influenced by accelerations. Thus, no adjustment of the dosage is made.
  • a corresponding signal is output, whereby, if necessary, a regulation of the operating parameters of the distributing device, for example rotational speed of the centrifugal disk 4 and / or flow rate of material through the metering device and / or adjustment the throwing blades 5, takes place. If the results are outside the specified intervals, a corresponding signal is output and no adjustment of the operating parameters is made.
  • the CAN messages can be freely selected. For example, a warning may be issued via the on-board computer 14 if the spreader is over-accelerated to allow an operating mode to be selected that allows reliable weight measurements to be made.
  • all measured data can be stored. Later, they can then be used for the purpose of evaluating the processing of the agricultural area, for example also for comparison with the earlier processing.
  • Fig. 2 schematically shows the above-described processes, which are explained in more detail below, with which the measurement data are evaluated in the onboard computer 14.
  • the output of the result via CAN bus each output manually and / or automatically is storable.
  • the measured raw values of the weighing cell 7 (raw value weight) and the inclination sensors 15 (raw value inclination 1 and raw value inclination 2) are filtered by means of similar filters assigned to them.
  • Raw value weight denotes the weight data measured by the weighing cell 7 without correction.
  • Raw value inclination 1 and raw value inclination 2 denote the measured values of the inclination sensors 15.
  • the filtered raw values of the inclination sensors 15 are used to computationally correct the filtered raw value of the weight by the arithmetic operations stored in the memory of the on-board computer 14. Simple angle functions are used to obtain the correction values x 1 and x 2 . This results in the weight to be measured.
  • the filtered measured values from the inclination sensors 15 are also cleverly linked together so that two control values (control value 1 and control value 2) result.
  • control value 1 and control value 2 result.
  • the mathematical functions and / or operations stored in a memory element of the on-board computer 14 are used.
  • control values are applied in a test for the measured and calculated weight.
  • the calculated from the measured data curves are examined by the stored in the memory of the on-board computer program 14 to the specified intervals, which is determined whether the determined weight was corrupted by the effects of accelerations.
  • a final data output corresponding to the test result takes place via the on-board computer 14. If the data determined lie within the specified intervals, then the Output of a signal on the basis of which, if necessary, a regulation of the operating parameters of the distribution device takes place. If the determined data lies outside the specified intervals, a corresponding signal is output and no regulation of the operating parameters is carried out.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Zoology (AREA)
  • Fertilizing (AREA)
  • Storage Of Harvested Produce (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
EP20120401080 2011-05-17 2012-05-08 Appareil agricole Active EP2524584B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110050411 DE102011050411A1 (de) 2011-05-17 2011-05-17 Landwirtschaftliches Gerät

Publications (3)

Publication Number Publication Date
EP2524584A2 true EP2524584A2 (fr) 2012-11-21
EP2524584A3 EP2524584A3 (fr) 2013-01-23
EP2524584B1 EP2524584B1 (fr) 2014-12-10

Family

ID=46125367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20120401080 Active EP2524584B1 (fr) 2011-05-17 2012-05-08 Appareil agricole

Country Status (3)

Country Link
EP (1) EP2524584B1 (fr)
DE (1) DE102011050411A1 (fr)
DK (1) DK2524584T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018093523A1 (fr) * 2016-11-15 2018-05-24 Digi-Star, Llc Procédé et appareil de compensation des effets du vent sur des poids mesurés
EP3771320A1 (fr) * 2019-07-30 2021-02-03 Amazonen-Werke H. Dreyer GmbH & Co. KG Procédé de réglage de l'inclinaison sur un appareil d'épandage agricole

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0407705A1 (fr) 1989-07-13 1991-01-16 Moba-Electronic Gesellschaft Für Mobil-Automation Balance pour un tracteur
EP0537857B1 (fr) 1991-10-17 1999-09-15 Maasland N.V. Epandeur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19715590A1 (de) * 1997-04-15 1998-11-05 Bosch Gmbh Robert Sensormodul
DE19901563C2 (de) * 1999-01-16 2002-10-17 Pfreundt Gmbh & Co Kg Anordnung zum Wiegen von Nutzlasten
DE102006016372B3 (de) * 2006-04-05 2007-10-31 Pfreundt Gmbh Wägemodul eines Radladers
DE102007035949B4 (de) * 2007-07-30 2013-08-08 Soehnle Professional Gmbh & Co. Kg Nivelliereinrichtung zur Einstellung der horizontalen Lage einer Vorrichtung sowie mobile Wiegeeinrichtung mit solcher Nivelliereinrichtung
DE102010034215A1 (de) * 2010-08-07 2012-02-09 Rauch Landmaschinenfabrik Gmbh Verfahren zur gleichmäßigen Verteilung von Mineraldünger an Hanglagen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0407705A1 (fr) 1989-07-13 1991-01-16 Moba-Electronic Gesellschaft Für Mobil-Automation Balance pour un tracteur
EP0537857B1 (fr) 1991-10-17 1999-09-15 Maasland N.V. Epandeur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018093523A1 (fr) * 2016-11-15 2018-05-24 Digi-Star, Llc Procédé et appareil de compensation des effets du vent sur des poids mesurés
US10288472B2 (en) 2016-11-15 2019-05-14 Digi-Star, Llc Method and apparatus for compensation of wind effects on measured weights
EP3771320A1 (fr) * 2019-07-30 2021-02-03 Amazonen-Werke H. Dreyer GmbH & Co. KG Procédé de réglage de l'inclinaison sur un appareil d'épandage agricole

Also Published As

Publication number Publication date
EP2524584B1 (fr) 2014-12-10
DK2524584T3 (en) 2015-02-16
EP2524584A3 (fr) 2013-01-23
DE102011050411A1 (de) 2012-11-22

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